PRICE ONE SHILLING. 



, VOL. 11. APRIL, 1859. NO. 16. 



'i 



THE GEOLOGIST; 



A POPULAR 



MONTHLY MAGAZINE 



OP 



GEOLOGY. 



EDITED BY S. J. MACKIE, F.G.S. F.S.A. 



" Geology, in the magnitude and sublimity of the objects of which it treats, 

 undoubtedly ranks in the scale of the sciences next to Astronomy." — fferschel : 

 Discourse on Study of Natural Philosophy. 



LONDON: 



PUBLISHED AT THE OFPICE OP THE GEOLOGIST, 154, STRAND; 



AND SOLD BY 



SIMPKIN, MARSHALL, & CO. STATIONERS' HALL COURT. 



PRINTED BY R. CLAY, THREAD STREET HILL. 



